Applied Mechanics and Graphic Statics The instantaneous centre of a member lies at the point of intersection of two lines drawn at the ends of the member such that the lines are inclined to the direction of motion of the ends at 30° 45° 90° 60° 30° 45° 90° 60° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is 3/5 1/5 2/3 1/3 3/5 1/5 2/3 1/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a self-locking machine, the efficiency should be More than 50% None of these 0.5 Less than 60% More than 50% None of these 0.5 Less than 60% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A heavy ladder resting on a floor and against a vertical wall may not be in equilibrium, if Floor is smooth and the wall is rough Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor and wall both are rough surfaces Floor is smooth and the wall is rough Floor and wall both are smooth surfaces Floor is rough and the wall is smooth Floor and wall both are rough surfaces ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Only the closure of force polygon is sufficient Only the closure of funicular polygon is sufficient None of these Both force polygon and funicular polygon must close Only the closure of force polygon is sufficient Only the closure of funicular polygon is sufficient None of these Both force polygon and funicular polygon must close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A sphere is resting on two planes BA and BC which are inclined at 45° and 60° respectively with the horizontal. The reaction on the plane BA will be Equal to that on BC Less than that on BC None of these More than that of BC Equal to that on BC Less than that on BC None of these More than that of BC ANSWER DOWNLOAD EXAMIANS APP